Table 1.
Demographics of institutions that participated in the SAVE‐J II study
| Variable | Level | % | N |
|---|---|---|---|
| Hybrid ER versus nonhybrid ER | Hybrid ER | 11.1 | 4 |
| Non‐hybrid ER | 88.9 | 32 | |
| Historical rate of ECPR per year | <5/year | 11.1 | 4 |
| 5–9/year | 33.3 | 12 | |
| 10–19/year | 36.1 | 13 | |
| 20–29/year | 8.3 | 3 | |
| ≥30/year | 11.1 | 4 | |
| Historical rate of arrival of CPA patients per year in the emergency department | <100/year | 16.7 | 6 |
| 100–199/year | 36.1 | 13 | |
| 200–299/year | 22.2 | 8 | |
| ≥300/year | 25.0 | 9 | |
| Historical rate of VA‐ECMO in patients with circulatory failure after ROSC per year | <5/year | 44.4 | 16 |
| 5–9/year | 38.9 | 14 | |
| 10–19/year | 13.9 | 5 | |
| ≥20/year | 2.8 | 1 | |
| Service involved throughout the entire ECMO process | |||
| Emergency medicine | Yes, always | 91.7 | 33 |
| Yes, as needed | 5.6 | 2 | |
| No | 2.8 | 1 | |
| Cardiology | Yes, always | 52.8 | 19 |
| Yes, as needed | 44.4 | 16 | |
| No | 2.8 | 1 | |
| Cardiovascular surgery (missing obs. = 2) | Yes, always | 14.7 | 5 |
| Yes, as needed | 61.8 | 21 | |
| No | 23.5 | 8 | |
| Radiology (missing obs. = 2) | Yes, always | 3.0 | 1 |
| Yes, as needed | 29.4 | 10 | |
| No | 67.6 | 23 | |
CPA, cardiopulmonary arrest; ECMO, extracorporeal membrane oxygenation; ECPR, extracorporeal cardiopulmonary resuscitation; ER, emergency room; obs., observations; ROSC, return of spontaneous circulation; VA‐ECMO, venoarterial extracorporeal membrane oxygenation.